Plus, you can always throw Edric in the 99 of a Xyris, the Writhing Stormdeck EDH deck and keep a similar theme
Simply put, it was pulled in too many directions at once
I won't be able to attend the tournament myself unfortunately, but I hope I can help steer anyone that is going in the correct direction
Reason being that XYZ monsters dont have levels, they have ranks, and as such are completely unaffected by Gravity Bind
UV sleeves can also protect the cards from fading, especially for older cards
In an aggressive deck, this is likely to be more than enough to kill them off - and that's not accounting for any extra creatures you may have, any ramping you've done or spare mana you've created